You ________ have fun in Beijing yesterday.[ ]
A. are
B. aren't
C. don't
D. didn't
答案:D
— I'm sorry I broke your coffee cup.
— _____. [ ]
A. You're welcome
B. I don't know
C. You're right
D. It doesn't matter
凡发生医疗事故或事件,临床诊断不能明确死亡原因的,在有条件的地方必须进行尸检,并告知家属,尸检应在死后几小时以内,具备冻存条件的,可以延长至7天()
A.24小时
B.36小时
C.48小时
D.72小时
E.86小时